blob: 4e6e77361444b3b688a3728282192da572d3aaf4 [file] [log] [blame]
; RUN: llc < %s -march=lanai | FileCheck %s
; RUN: llc < %s -march=lanai -disable-lanai-mem-alu-combiner | \
; RUN: FileCheck %s -check-prefix=CHECK-DIS
; CHECK-LABEL: sum,
; CHECK: ld [%r{{[0-9]+}}++], %r{{[0-9]+}}{{$}}
; CHECK-DIS-LABEL: sum,
; CHECK-DIS-NOT: ++],
define i32 @sum(i32* inreg nocapture readonly %data, i32 inreg %n) {
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
br label %for.body
for.cond.cleanup.loopexit: ; preds = %for.body
%add.lcssa = phi i32 [ %add, %for.body ]
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
%sum_.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
ret i32 %sum_.0.lcssa
for.body: ; preds = %for.body.preheader, %for.body
%i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
%sum_.07 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i32, i32* %data, i32 %i.08
%0 = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %0, %sum_.07
%inc = add nuw nsw i32 %i.08, 1
%exitcond = icmp eq i32 %inc, %n
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
}